Abstract
In order to study the possible positive effects of changing a traffic signal intersection to a roundabout, a survey was performed during autumn 1989 and spring 1990. The intersection has a central downtown location in the city of Jonkoping, Sweden.
The survey was done as a before-after study and is primarily concentrating on differences in the vehicle time consumption when driving through the intersection. The survey is an integrated part and a case study within a larger research poject aiming to create a Method and Model for Comparative Intersection Research.
The research methodology is based on the use of video pictures taken from the air (helicopter) or from a high located observation point A special computer programme has been developed for facilitating the data evaluation process, giving a descriptive presentation of relevant traffic flow parameters.
The study gave very positive performance results for the roundabout compared to the traffic signal intersection, and the time saving was remarkable.
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© 1991 Springer-Verlag Berlin, Heidelberg
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Höglund, P.G. (1991). Case Study. Performance Effects of Changing a Traffic Signal Intersection to Roundabout. In: Brilon, W. (eds) Intersections without Traffic Signals II. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-84537-6_11
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DOI: https://doi.org/10.1007/978-3-642-84537-6_11
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